Ukraine’s air defenses have been intercepting nearly 60% of Russian Geran-4 jet-powered attack drones over the past three months, with the interception rate reaching 80% during some attacks, Ukraine’s General Staff said.

Russia has increasingly used jet-powered drones in its attacks on Ukraine, adding a faster-moving threat to the Shahed-type drones Moscow deploys against Ukrainian cities and infrastructure. Ukraine is working to improve interception rates while reducing the cost of countering these aerial threats amid shortages of surface-to-air missiles.

The General Staff’s update did not mention interception rates for Russia’s more advanced Geran-5 jet-powered drone.

F-16s, Mirage jets help intercept Russian drones

According to the General Staff, tactical aviation plays a significant role in destroying Russian jet-powered drones. Ukraine uses F-16s, French Mirage aircraft, and MiG-29 fighters to intercept them.

The military is also strengthening what it calls “short-range air defense” as Ukraine faces a shortage of guided anti-aircraft missiles. These systems include Gepard and Shilka anti-aircraft guns, newer Skynex, Skyranger, and Terrahawk Paladin systems, interceptor drones, and mobile fire groups deployed by different branches of Ukraine’s Defense Forces.

Mobile fire groups are equipped not only with machine guns and supporting equipment but also with man-portable air-defense systems (MANPADS). Ukrainian troops have been successfully using these missiles to shoot down Russian jet-powered drones, the General Staff said.

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Ukraine tests cheaper drone interceptors

Ukraine is also seeking to lower the cost of countering Russian aerial attacks by testing new interceptor drones.

According to the General Staff, some models have already downed dozens of Russian Geran jet-powered drones. The military did not provide further details about the interceptor models or the number of drones destroyed.

The rising interception rate reflects Ukraine’s efforts to adapt its air defenses to Russia’s evolving drone campaign while preserving scarce and expensive air-defense missiles for threats that require them.

Russia has started fitting its enlarged Gerbera-2 drones with a 10-kg warhead and an extra bag of incendiary mixture, Ukrainian military outlet Militarnyi reported on 18 October. The setup is designed to start a fire where the drone hits and is probably meant for attacks on critical infrastructure and warehouses, the outlet said.

Russia’s industry makes about 3,000 jet-powered Geran-4 and Geran-5 drones a month, Ukraine’s military intelligence has said, and Russian strikes have destroyed 2.1 million m² of Ukraine’s modern warehouse space since the full-scale invasion began. A cheap drone that carries fire adds one more threat for air defenses that already let nearly half of Russia’s jet-powered Shaheds through.

A fire bag behind the warhead

Ukrainian Telegram channel Polkovnyk HSh posted photos of the payload on 17 October. Gerbera-2 strike and reconnaissance drones had begun to appear with a 10-kg high-explosive fragmentation-incendiary warhead and an extra package of incendiary mixture, the channel wrote. They navigate with Kometa-M12, a 12-element antenna array designed to resist jamming, it added.

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In the photos, the incendiary mixture sits in a separate soft plastic tank behind the main warhead, Militarnyi said. Gerbera-2s have been seen with warheads of 4 to 10 kg depending on range, while strike versions of the original Gerbera usually carried up to 5 kg, the outlet noted.

Half a Shahed engine

Russia has mainly fielded the Gerbera, a cheap drone shaped like a Shahed, as a decoy and reconnaissance platform flying alongside Shahed-type strike drones. It has also used bigger Gerberas to drop FPV drones.

Serhii Beskrestnov, now an adviser to Ukraine’s president, flagged a much bigger Gerbera in Ukraine’s skies on 7 August. The Gerbera-2 has a larger airframe, a reshaped wing, and a bigger tail fin, Militarnyi said. In August, the outlet reported it had a stronger piston engine: half of the one in the Shahed-type Geran-2, at about 275 cm³. Production of these engines was set up at the Izhevsk Motorcycle Plant, according to preliminary information the outlet cited.

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Earlier versions ran on a Chinese DLE60 model-aircraft engine of about 61 cm³. The switch was likely possible because Geran-2 engine output partly freed up as jet-powered Geran-4s took a growing share of Russia’s drones, Militarnyi said. The Gerbera-2’s fuel tank also holds up to 63 liters, against 10 liters on the original.

One reached Poland’s Baltic coast

In September, a drone preliminarily identified as a Gerbera-2 was recovered from the Baltic Sea near Rusinowo, on Poland’s coast. It carried a high-explosive fragmentation warhead of about 4 kg, a Polish military prosecutor said.